Husqvarna WGP3616 Operator's Manual
Husqvarna WGP3616 Operator's Manual

Husqvarna WGP3616 Operator's Manual

Walk-behind mower

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Operator Manual
WGP3616 / 966638501
WGP4818 / 966638502
Please read the operator's manual carefully and make sure
you understand the instructions before using the machine.

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Table of Contents
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Summary of Contents for Husqvarna WGP3616

  • Page 1 Operator Manual WGP3616 / 966638501 WGP4818 / 966638502 Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.
  • Page 2 To implement improvements, specifications and designs can be altered without prior notification. Note that no legal demands can be placed based on the information contained in these instructions. Use only original parts for repairs. The use of other parts voids the warranty. Do not modify or install non-standard equipment to the unit without consent from the manufacturer.
  • Page 3: Table Of Contents

    Contents manual Transport ............26 INTRODUCTION ............... 5 Cutting Height Adjustment ........26 General Information ............ 5 Cutting Height Table ..........27 Driving and Transport on Public Roads ...... 5 mowing Tips ............. 28 Operating ..............5 mAINTeNANCe ............... 29 Good Service ..............
  • Page 4 WARNING! Failure to follow cautious operating practices can result in serious injury to the operator or other persons. The owner must understand these instructions, and must allow only trained persons who understand these instructions to operate the mower. Each person operating the mower must be of sound mind and body and must not be under the influence of any mind altering substance.
  • Page 5: Introduction

    IntRoDUCtIon Congratulations Operating Thank you for purchasing a Husqvarna Walk-behind This machine is constructed only for mowing grass mower. This machine is built for superior efficiency on lawns and even ground without obstacles such to rapidly mow primarily large areas. A control panel as stones, tree stumps, etc.
  • Page 6: Good Service

    IntRoDUCtIon Good Service Husqvarna’s products are sold through out the world and only in specialized retail stores with complete service. This ensures that you as a customer receive only the best support and service. before the product is delivered, the machine has, for example, been inspected and adjusted by your retailer.
  • Page 7: Symbols And Decals

    symbols anD DeCals These symbols are found on the machine and in the operator’s manual. Study them carefully so that you know what they mean. WARNING! IMPORTANT INFORMATION Xxxx xxxxxx xxxxx xxxx xxxxxxxxx Xxxx xxxxxx xxxxx xxxx xxxxxxxxx xxxxxx xxxxxx xxxxxxxxx. xx xxxxxxxx xxxx xxxxxxxxx.
  • Page 8: Safety

    saFety WARNING! WARNING! This cutting machine is capable This symbol means that important of amputating hands and feet and safety instructions need to be throwing objects. Failure to observe emphasized. It concerns your safety. the following safety instructions could result in serious injury or death. These instructions are for your safety.
  • Page 9 saFety • Watch for traffic when operating near or crossing roadways. • Only allow responsible adults, who are familiar with the instructions, to operate the machine. • Never take passengers. The machine is only intended for use by one person •...
  • Page 10: Personal Safety Equipment

    saFety Personal Safety Equipment WARNING! When using the machine, approved personal protective equipment (shown in illustrations) shall be used. Personal protective equipment cannot eliminate the risk of injury but it will reduce the degree of injury if an accident does happen. Ask your retailer for help in choosing the right equipment.
  • Page 11 saFety Children Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the machine and the mowing activity. Never assume that children will remain where you last saw them. • Keep children out of the mowing area and in the watchful care of a responsible adult other than the operator.
  • Page 12: Safe Handling Of Gasoline

    saFety Safe Handling of Gasoline To avoid personal injury or property damage, use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. • extinguish all cigarettes, cigars, pipes, and other sources of ignition. • Use only approved gasoline container. •...
  • Page 13: General Maintenance

    saFety General Maintenance • Never operate machine in a closed area. • Keep all nuts and bolts tight to be sure the equipment is in safe working condition. • Never tamper with safety devices. Check their proper operation regularly. • Keep machine free of grass, leaves, or other debris buildup.
  • Page 14: Transport

    A spark arrester for the muffler is available through local or state laws (if any). If a any authorized Husqvarna dealer. spark arrester is used, it should be maintained in effective working order by the operator.
  • Page 15: Controls

    ContRols This machine is fitted with a Kawasaki four-stroke one for each wheel. Using the left and right steering V-Twin engine. controls, the speed of the rear wheels is regulated for steering the machine. Transmission from the engine is made via two V-belts, Control Locations 8019-060 Recoil Starter Grip...
  • Page 16: Recoil Starter Grip

    Pull the recoil starter grip slowly until you feel compression, then pull it briskly. Normally this engine will not backfire. If you get backfires, contact your Husqvarna dealer for service. 8011-498 Recoil starter grip Ignition Switch The ignition switch is placed on the control panel. To prevent unauthorized use, remove the key.
  • Page 17: Operator Presence Levers

    ContRols Operator Presence Levers located on the upper handle, the Operator Presence levers (OPl) serve as an additional safety feature. An electrical interlock safety system is activated by pressing either one or both of the OP levers toward the handle. Releasing both operator presence levers while mowing or transporting will break the electrical circuit and cause the engine and mower to stop.
  • Page 18: Throttle

    ContRols Throttle The throttle control regulates the engine speed and thereby the rate of rotation of the blades, assuming the control for engaging the mower deck is pulled forward. In order to increase or decrease the engine speed, the control is moved forward or backward respectively.
  • Page 19: Refueling

    ContRols Refueling Fuel Shut-off Valve The fuel shut off valve is placed on the fuel line below the fuel tank. The valve has two positions; ON and Off. The illustration shows the valve in the closed (Off) position. IMPORTANT INFORMATION Close fuel valve at the end of each mowing job.
  • Page 20: Operation

    opeRatIon Before Starting • Read the sections on Safety and Controls before starting the machine. • Perform the daily maintenance before starting (see maintenance Schedule). • Check that there is sufficient fuel in the fuel tank. The following conditions must be fulfilled before the engine can be started: •...
  • Page 21: Starting The Engine

    opeRatIon Starting the Engine WARNING! Do not run the engine indoors, in enclosed or poorly ventilated spaces. Engine exhaust fumes contain poisonous carbon monoxide. move blade engagement lever to the Off position, so the interlock will allow engine to start. 8019-061 Blade engagement lever Check gear shift lever to be sure it is in the neutral...
  • Page 22 opeRatIon Open fuel shut-off valve. Turn ignition key to ON position. 8011-438 Fuel shut off valve - open (ON) Set throttle control and engage the choke (if needed). Do not use choke when the engine is warm. IMPORTANT INFORMATION Do not let the recoil cord snap back by itself. This may damage the cord or the recoil starter 8019-061 assembly.
  • Page 23: Gearbox

    opeRatIon Depress one operator presence lever. (OPl) WARNING! Be sure all persons are clear of area before engaging the blades. IMPORTANT INFORMATION To prolong spindle bearing clutch and belt life, engage and disengage the blades at approximately half throttle. 8019-062 OPL and thumb latch engage the blades and set the desired rpm.
  • Page 24: Running

    opeRatIon Running Depress one OPl and shift transmission to the desired gear. Unlock the motion control levers by pushing the thumb latches forward. Slowly release both motion control levers at the same time to begin forward motion. The steering system of this mower uses individual right and left motion control levers on the handle bars.
  • Page 25: Stopping

    opeRatIon Stopping Emergency Stop Release both hands from the operator presence levers. When both OPls return to their outer position, the engine will quit and the mower will stop. Squeeze both motion control levers firmly against handle grips and hold them securely in place. Use thumb latches to lock both motion control levers into the neutral position.
  • Page 26: Manual Transport

    opeRatIon Manual Transport To move the machine with the engine turned off, make sure the gear shift lever is in the neutral position and the motion control levers are not in the locked position. The locked position is used when the machine is parked.
  • Page 27: Cutting Height Table

    opeRatIon Cutting Height Table Axle Spacer Blade Spacers Cutting Position Below Under Cutter Height Caster Arm Housing 1½" (38mm) 1¾" (44mm) 2" (51mm) 2¼" (57mm) 2½" (64mm) 1¾" (44mm) 2" (51mm) 2¼" (57mm) 2½" (64mm) 2¾" (70mm) 2½" (64mm) 2¾" (70mm) 3"...
  • Page 28: Mowing Tips

    opeRatIon Mowing Tips • Observe and mark rocks and other fixed objects in order to avoid collisions. • Properly level the cutting deck for best mowing performance. The blades should be parallel to the ground or slightly tipped down in the front. •...
  • Page 29: Maintenance

    maIntenanCe Maintenance Schedule WARNING! The following is a list of maintenance procedures that Before performing any service or must be performed on the machine. for those points adjustment checklist not described in this manual, visit an authorized • Turn the ignition switch to “OFF” service workshop.
  • Page 30: V-Belts

    maIntenanCe Maintenance interval in Daily least hours once each Maintenance Before After Weekly year Check/adjust throttle and choke cables  Check the condition of belts, belt pulleys   Change the engine oil  Replace the engine oil filter  ...
  • Page 31: Belt Routing

    maIntenanCe Belt Routing 8019-081 36" Deck, blade belt routing 8019-081 48" Deck, blade (1) and engine (2) belt routing...
  • Page 32: Safety System

    IMPORTANT INFORMATION IMPORTANT INFORMATION The sharpening of blades should be carried Special blade bolt is heat treated. If out by an authorized service workshop. replacement is required, use only Husqvarna original replacement parts. Do not use lower grade hardware than specified.
  • Page 33: Parking Brake

    maIntenanCe Parking Brake Visually check that no damage is found on the thumb latches. Perform a test drive and check that there is sufficient braking action. Set the thumb latches in the neutral lock position. Tighten the wing nut. Check if the machine is braking. If not, tighten the wing nut further.
  • Page 34: Tire Pressures

    maIntenanCe Tire Pressures All tires should be at 15 psi / 103 kPa / 1 bar. 8019-076 Tire pressures Caster Wheels Check every 200 hours. lift front of unit off of ground so caster wheels can rotate freely. Tighten caster bolt then loosen ½...
  • Page 35: Lubrication

    lUbRICatIon 12/12 1/52 1/365 100h 200h 300h 8011-681 12/12 every year lubricate with grease gun lubricate with oil can 1/52 every Week Oil change level check 1/365 every day filter change *Change transaxles (transmission) filters. General Remove the ignition key to prevent unintentional It is important to avoid getting lubricant on the belts movements during lubrication.
  • Page 36: Front Wheel Mount

    lUbRICatIon Front Wheel Mount lubricate with a grease gun, one zerk for each wheel mount, until the grease is forced out. Use only good quality bearing grease. Grease from well-known brand names (petrochemical companies, etc.) usually maintains a good quality. Front Wheel Bearings lubricate with a grease gun, one zerk for each set of wheel bearings, until the grease is forced out.
  • Page 37: Mower Deck Lever

    lUbRICatIon Mower Deck Lever lubricate with a grease gun until the grease is forced out around the zerk. Use only good quality molybdenum disulphide grease. Couplings IMPORTANT INFORMATION Be sure to remove excess lubricant so that is does not come into contact with belts. 8019-080 Lubricating deck lever lubricate the right and left side couplings with a...
  • Page 38: Troubleshooting

    tRoUblesHootInG Problem Cause engine will not start • mower deck control is engaged • Steering controls are not locked in the neutral position • Spark plug wire are off • Contamination in the carburetor or fuel line • fuel shutoff valve is closed •...
  • Page 39 tRoUblesHootInG Problem Cause engine overheats • Clogged air intake • engine overloaded • Poor ventilation around engine • Defective engine speed regulator • Too little or no oil in the engine • fouled spark plugs machine moves slowly, unevenly • Drive belt for the transmission slack or has come off mower deck not engaging •...
  • Page 40: Storage

    Drain the fuel purchase year, model, type, and serial number. into an approved container outdoors Always use genuine Husqvarna spare parts. and far away from open flame. Never An annual checkup at an authorized service workshop use gasoline for cleaning. Use is a good way to ensure that the machine performs its a degreaser and warm water instead.
  • Page 41: Schematics

    sCHematICs 8011-684...
  • Page 42: Technical Data

    teCHnICal Data WPG3616 WPG4818 Engine manufacturer Kawasaki Kawasaki Power 16hp / 11.8 kW 18hp / 13.2 kW fuel min 87 octane unleaded (max min 87 octane unleaded (max ethanol 10%, max mTbe 15%) ethanol 10%, max mTbe 15%) fuel tank capacity 5.3 gallons / 20 liters 5.3 gallons / 20 liters Drive...
  • Page 43: Torque Specifications

    teCHnICal Data Torque Specifications HeX HeAD CAP SCReWS The torque values shown should be used as a general guideline when specific torque values are not given. U.S. Standard Hardware Grade SAe Grade 5 SAe Grade 8 flangelock Screw w/flangelock Nut Size ft./lbs ft./lbs...
  • Page 44: Conformity Certificates

    ConFoRmIty CeRtIFICates USA requirements labels are placed on the engine and/or in the engine compartment stating that the machine will fulfill the requirements. This is also applicable to special requirements for any of the states, (California emission rules etc.). Do not remove any of these labels.
  • Page 45: Service Journal

    seRVICe JoURnal Action Date, mtr reading, stamp, sign Delivery Service mount caster wheels. Adjust tire pressure of all wheels according to Technical Data. Check that the right amount of oil is in the engine. Adjust the position of the steering controls. fill with fuel and open the fuel shut off valve.
  • Page 46 seRVICe JoURnal Action Date, mtr reading, stamp, sign After the first 8-10 hours Change engine oil. 25-Hour Service Check the fuel pump’s air filter. Check the tire pressures. Check/clean the engine’s cooling air intake. Clean the air cleaner’s prefilter (foam). Check the cutting deck.
  • Page 47 seRVICe JoURnal Action Date, mtr reading, stamp, sign 100-Hour Service Perform the 25-hour service. Perform the 50-hour service. Change the engine oil. Check whether the engine oil filter needs to be changed (every 200 hours). Clean/replace the spark plugs. Replace the fuel filter. Clean the cooling fins on the engine and transmission.
  • Page 48 seRVICe JoURnal Action Date, mtr reading, stamp, sign At Least Once Each Year Clean the engine’s cooling air intake (25 hours). Replace the air cleaner’s prefilter (foam) (300 hours). Replace the air filter paper cartridge (200 hours). Change the engine oil (100 hours). Replace the engine oil filter (200 hours).
  • Page 49 seRVICe JoURnal Action Date, mtr reading, stamp, sign...
  • Page 50 seRVICe JoURnal Action Date, mtr reading, stamp, sign...
  • Page 52 P/N115 315027R1 10/25/10...

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Wgp4818966638501966638502

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